3) NO3–
4) CHC13
5) CS2
6) CN–
7) O3 (ozone)
8) SCN–
9) H2S
10) SO2
11) PO43-
12) SO3
14) CBr4
15) BF3
16) NO2–
17) CSe2
21
6.4 Matching Questions
Match each molecule in the left column with the shape of the central atom that appears in the
right column.
A) linear
B) trigonal plamar
C) tetrahedral
D) bent
E) trigonal planar
F) pyramidal
1) hydrogen sulfide
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
2) water
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
3) ammonia
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
4) boron trifluoride
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
5) acetylene, C2H2
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
6) sulfur dioxide
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
7) sulfur trioxide
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
8) ammonium ion
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
9) ethylene, C2H4
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
10) carbon tetrachloride
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
11) hydrogen cyanide
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
12) phosphorus trihydride
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
13) nitrogen trifluoride
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
14) carbon disulfide
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
23
Match each molecule in the left column with an angle around the central atom that appears in
the right column.
A) 105°
B) 107°
C) 120°
D) 118°
E) 109.5°
F) 180°
15) hydrogen sulfide
Section: Section 6.2
Learning Outcome: 6.4 Draw a molecule’s shape for molecules possessing multiple bonds.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
16) water
Section: Section 6.2
Learning Outcome: 6.4 Draw a molecule’s shape for molecules possessing multiple bonds.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
17) ammonia
Section: Section 6.2
Learning Outcome: 6.4 Draw a molecule’s shape for molecules possessing multiple bonds.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
18) boron trifluoride
Section: Section 6.2
Learning Outcome: 6.4 Draw a molecule’s shape for molecules possessing multiple bonds.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
19) acetylene, C2H2
Section: Section 6.2
Learning Outcome: 6.4 Draw a molecule’s shape for molecules possessing multiple bonds.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
20) sulfur dioxide
Section: Section 6.2
Learning Outcome: 6.4 Draw a molecule’s shape for molecules possessing multiple bonds.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
21) sulfur trioxide
Section: Section 6.2
Learning Outcome: 6.4 Draw a molecule’s shape for molecules possessing multiple bonds.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
22) ammonium ion
Section: Section 6.2
Learning Outcome: 6.4 Draw a molecule’s shape for molecules possessing multiple bonds.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
23) ethylene, C2H4
Section: Section 6.2
Learning Outcome: 6.4 Draw a molecule’s shape for molecules possessing multiple bonds.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
24) carbon tetrachloride
Section: Section 6.2
Learning Outcome: 6.4 Draw a molecule’s shape for molecules possessing multiple bonds.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
25) hydrogen cyanide
Section: Section 6.2
Learning Outcome: 6.4 Draw a molecule’s shape for molecules possessing multiple bonds.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
26) phosphorus trihydride
Section: Section 6.2
Learning Outcome: 6.4 Draw a molecule’s shape for molecules possessing multiple bonds.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
27) carbon disulfide
Section: Section 6.2
Learning Outcome: 6.4 Draw a molecule’s shape for molecules possessing multiple bonds.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
28) nitrogen trifluoride
Section: Section 6.2
Learning Outcome: 6.4 Draw a molecule’s shape for molecules possessing multiple bonds.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
Match the shape and number of electron groups at the central atom on the left column with the
number of bonding pairs of electrons on the central atom on the right column.
A) 4
B) 3
C) 2
29) tetrahedral, four
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
30) pyramidal, four
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
31) bent, four
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
32) trigonal planar, three
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
33) linear, two
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
26
Match each of the ions that appears in the left column with the corresponding shape on the right
column.
A) bent
B) trigonal planar
C) linear
D) pyramidal
E) tetrahedral
34) CH3+
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
35) CH3–
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
36) NO3–
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
37) HC2–
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
38) HCO3–
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
39) NH4+
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
40) CO2
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
41) NH2–
Section: Section 6.2
Learning Outcome: 6.3 Draw and name a molecule’s shape starting from a dot diagram.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
28
Identify each of the molecules in the left column as polar or non-polar.
A) non-polar
B) polar
42) CH4
Section: Section 6.3
Learning Outcome: 6.6 Predict the relative polarity of a molecule.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
43) HC1
Section: Section 6.3
Learning Outcome: 6.6 Predict the relative polarity of a molecule.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
44) PCl3
Section: Section 6.3
Learning Outcome: 6.6 Predict the relative polarity of a molecule.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
45) NH3
Section: Section 6.3
Learning Outcome: 6.6 Predict the relative polarity of a molecule.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
46) H2O
Section: Section 6.3
Learning Outcome: 6.6 Predict the relative polarity of a molecule.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
47) H2S
Section: Section 6.3
Learning Outcome: 6.6 Predict the relative polarity of a molecule.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
48) H2CCH2
Section: Section 6.3
Learning Outcome: 6.6 Predict the relative polarity of a molecule.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
49) CH2Cl2
Section: Section 6.3
Learning Outcome: 6.6 Predict the relative polarity of a molecule.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
29
50) SO3
Section: Section 6.3
Learning Outcome: 6.6 Predict the relative polarity of a molecule.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
51) CH3Cl
Section: Section 6.3
Learning Outcome: 6.6 Predict the relative polarity of a molecule.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
52) Br2
Section: Section 6.3
Learning Outcome: 6.6 Predict the relative polarity of a molecule.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
53) CCl4
Section: Section 6.3
Learning Outcome: 6.6 Predict the relative polarity of a molecule.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
54) CS2
Section: Section 6.3
Learning Outcome: 6.6 Predict the relative polarity of a molecule.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
55) CH3CH3
Section: Section 6.3
Learning Outcome: 6.6 Predict the relative polarity of a molecule.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
56) C2H2
Section: Section 6.3
Learning Outcome: 6.6 Predict the relative polarity of a molecule.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
57) CO2
Section: Section 6.3
Learning Outcome: 6.6 Predict the relative polarity of a molecule.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
30
Identify whether each of the compounds in the left column has intermolecular dipole-dipole
forces.
A) no dipole-dipole forces
B) dipole-dipole forces
58) NH3
Section: Section 6.4
Learning Outcome: 6.7 Explain how molecular polarity leads to intermolecular attraction.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
59) CH4
Section: Section 6.4
Learning Outcome: 6.7 Explain how molecular polarity leads to intermolecular attraction.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
60) CH3OH
Section: Section 6.4
Learning Outcome: 6.7 Explain how molecular polarity leads to intermolecular attraction.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
61) NH2OH
Section: Section 6.4
Learning Outcome: 6.7 Explain how molecular polarity leads to intermolecular attraction.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
62) CH3SH
Section: Section 6.4
Learning Outcome: 6.7 Explain how molecular polarity leads to intermolecular attraction.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
63) CH3OCH3
Section: Section 6.4
Learning Outcome: 6.7 Explain how molecular polarity leads to intermolecular attraction.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
64) H2CO
Section: Section 6.4
Learning Outcome: 6.7 Explain how molecular polarity leads to intermolecular attraction.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
65) C2H6
Section: Section 6.4
Learning Outcome: 6.7 Explain how molecular polarity leads to intermolecular attraction.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.
66) C3H8
Section: Section 6.4
Learning Outcome: 6.7 Explain how molecular polarity leads to intermolecular attraction.
Global Obj: G2 Demonstrate the ability to think critically and employ critical thinking skills.